rnd.c

来自「minix操作系统最新版本（3.1.1）的源代码」· C语言 代码 · 共 22 行

/* $Header: /cvsup/minix/src/lib/ack/libp/rnd.c,v 1.1 2005/10/10 15:27:47 beng Exp $ */
/*
 * (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
 *
 *          This product is part of the Amsterdam Compiler Kit.
 *
 * Permission to use, sell, duplicate or disclose this software must be
 * obtained in writing. Requests for such permissions may be sent to
 *
 *      Dr. Andrew S. Tanenbaum
 *      Wiskundig Seminarium
 *      Vrije Universiteit
 *      Postbox 7161
 *      1007 MC Amsterdam
 *      The Netherlands
 *
 */

double _rnd(r) double r; {
	return(r + (r<0 ? -0.5 : 0.5));
}